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公开(公告)号：US20210102355A1
公开(公告)日：2021-04-08
申请号：US16591872
申请日：2019-10-03
Applicant: Caterpillar Inc.
Inventor： Benjamin J. Kovalick , Lankesh Kumar Mathur Shanmukappa , Nathaniel K. Harshman , Bruce R. Vahling
Abstract: In accordance with one aspect of the present disclosure a circle drawbar for a motor grader has a drawbar frame having two elongated members, and a circle frame that has a surface defined by an inner and outer diameter. The circle frame has a circle gear located radially inward of the inner diameter, allowing the circle frame to rotatable relative to the drawbar frame around an axis of the circle gear. A platform having a top, bottom, and an edge depends from the drawbar frame and covers the circle gear. A debris remover is connected to the platform and removes debris from surface of the circle frame as the circle frame rotates.
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公开(公告)号：US11505912B2
公开(公告)日：2022-11-22
申请号：US16591872
申请日：2019-10-03
Applicant: Caterpillar Inc.
Inventor： Benjamin J. Kovalick , Lankesh Kumar Mathur Shanmukappa , Nathaniel K. Harshman , Bruce R. Vahling
Abstract: In accordance with one or more aspects, a circle drawbar for a motor grader has a drawbar frame having two elongated members, and a circle frame that has a surface defined by an inner and outer diameter. The circle frame has a circle gear located radially inward of the inner diameter, allowing the circle frame to be rotatable relative to the drawbar frame around an axis of the circle gear. A platform having a top, bottom, and an edge depends from the drawbar frame and covers the circle gear. A debris remover is connected to the platform and removes debris from the surface of the circle frame as the circle frame rotates.
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